Additional Information & Research Details
Independent, verifiable Canadian third-party testing
All third-party testing conducted by Integrity Peptides is performed through independent Canadian analytical laboratories. Certificates of Analysis (COAs) are generated from laboratory-tested samples and are intended to support independent verification of identity and purity.
Integrity Peptides is committed to third-party verification across our entire product line. Testing documentation is published once results are finalized and reviewed. We do not publish preliminary, supplier-only, or unverified test data.
Current testing status, available Certificates of Analysis, and verification details are maintained on our Third-Party Testing & Certificates of Analysis page.
→ View Canadian testing status & COAs
SS-31 is frequently explored in laboratory environments for its potential roles in:
Studies involving mitochondrial function and bioenergetics
Research on cellular energy production and ATP-related pathways
Investigations into oxidative stress and reactive oxygen species
Models examining mitochondrial membrane integrity
Experiments involving cellular resilience under metabolic stress
Explorations of age-related mitochondrial biology
Often researched with MOTS-c
• Store unopened vials at 2–8°C (refrigerated)
• For long-term storage (6+ months), freeze at –20°C or below
• After reconstitution, keep at 2–8°C and use promptly
• Protect from light exposure
• Avoid repeated freeze-thaw cycles
• Use proper laboratory aseptic technique
SS-31 is a synthetic tetrapeptide developed to target mitochondrial research pathways and produced via solid-phase peptide synthesis. It is supplied in a sterile, lyophilized format for controlled laboratory research.
Peptide Sequence: D-Arg-2′,6′-dimethylTyr-Lys-Phe-NH₂
Molecular Formula: C₃₂H₄₉N₉O₅
Molecular Weight: 639.8 g/mol
CAS Number: 736992-21-5
Appearance: White to off-white lyophilized powder
Solubility: Soluble in bacteriostatic water and other aqueous solutions
Format: Sterile, lyophilized vial intended for laboratory research use
Integrity Peptides Quality Commitment
Integrity Peptides is built on consistency, honesty, and straightforward sourcing. We work only with long-established manufacturing partners and maintain clear documentation for every peptide we supply. Our products are handled with care, stored under controlled conditions, and reviewed regularly to ensure they meet our standards. We keep our process simple: provide dependable research materials, communicate openly, and stand behind what we offer.